Send message with Gammu and Node.js

index.js

// replace /etc/gammu-smsdrc with your config file
// replace 06xxxxxxxx with your phone number
// replace Bip bip with your message

var spawn = require('child_process').spawn;

var retour = [];
var gammu = spawn(`gammu`, [`-c`, '/etc/gammu-smsdrc', `sendsms`, 'TEXT', '06xxxxxxxx', '-text', 'Bip bip']);
gammu.stdout.on('data', function(data){
	retour.push(data.toString('ascii'));
});
gammu.stderr.on('data', function(err){
	retour.push(err.toString('ascii'));
});
gammu.on('close', function(){
	console.log('Gammu finished');
	console.log(retour.join(' - '));
});